(Newser)
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More than 2,000 developers are working on a $200 billion software project considered the biggest Army modernization since World War II, but many worry the Boeing-led Future Combat Systems may come in late and severely flawed. FCS, which dwarfs Windows in complexity, would enable communication with hovering drones, bomb-defusing robots, and laser-guided missiles—but congressional overseers are getting anxious, the Washington Post reports.

A new generation of combat vehicles—built to operate with the new system—has less heavy armor, a bet on FCS’ capacity to detect enemies first. But the programs may not be ready in time, and experts worry about their vulnerability to hackers. The amount of code needed has also expanded. Boeing rejects the criticism, noting considerable progress and costs that have remained in check.